Fix bug #8416 (Preview for SVG url data types does not work) - Strip only
leading/trailing quotes from image url()s, not quotes inside the value.
(Should fix filenames containing apostrophes too)
Update twitter URL.

Twitter now uses https by default and you no longer need the hash bang (#!)
Fix capitalization error in name="keywords" meta attribute
set sprint 43
Merge pull request #8577 from adobe/randy/sprint-43

Set Sprint 43
Prevent InlineColorEditor's own changes from changing input values
Makes themes resilient to stylesheets without trailing newlines.

Also deletes a bit of unused cruft from the dark theme.
Merge pull request #8594 from adobe/dangoor/8490-themes-trailing-newlines

Makes themes resilient to stylesheets without trailing newlines.
Merge pull request #8532 from wormeyman/patch-1

Update twitter URL.
Merge pull request #8533 from le717/keyword-lower

Fix capitalization error in name="keywords" meta attribute
Merge pull request #8495 from adobe/pflynn/quickview-quotes-fix

Fix bug #8416 (Preview for SVG url data types does not work)
Merge pull request #8588 from SAPlayer/inline-color-own-change

Prevent InlineColorEditor's own changes from changing input values
update CodeMirror
Merge pull request #8615 from adobe/rlim/update-codemirror

update CodeMirror for release 43